<!DOCTYPE html>
<html lang='en'>

<head>
    <meta charset='UTF-8'>
    <meta name='viewport' content='width=device-width, initial-scale=1.0'>
    <meta http-equiv='X-UA-Compatible' content='ie=edge'>
    <title>Document</title>
</head>

<body>
    <div id='app'>
        <!-- <input type="text" value="123" v-color="'pink'"> -->
        <input type="text" value="123" v-color="obj">
    </div>
    <script src='../js/vue.js'></script>
    <script>
        Vue.directive('color', {
            bind(el, binding) {
                // binding.value 是data中的obj对象  obj:{color:'red',bgcolor:"green"}
                console.log(binding);
                console.log(binding.value.color);
                console.log(binding.value.bgcolor);
                // el.style.color = binding.value
                el.style.color = binding.value.color
                el.style.backgroundColor = binding.value.bgcolor
            }
        });

        const vm = new Vue({
            el: '#app',
            data: {
                obj: {
                    color: 'red',
                    bgcolor: 'green'
                }
            },
            methods: {},
        })
    </script>
</body>

</html>